Search for tag: "a."

Solving an equation of the form x^2 = a using the square root property

Discusses the square root property, then encourages the viewer to write a list of perfect squares in the marginfor reference. Lasly, three examples are presented and solved.

From  Tom Grant 7 plays 0  

Dividing rational expressions involving linear expressions

A brief informal reasoning of why any division can be changed to a multiplication by reciprocating the second number or fraction, i. e. the number going into the other number. Then an example of…

From  Tom Grant 6 plays 0  

Quotient rule with negative exponents: Problem type 1

A qucik example of applying the qoutient rule for exponents and the definition of a negative exponent.

From  Tom Grant 8 plays 0  

Introduction to the power of a power rule of exponents

A short example of how the power rule works.

From  Tom Grant 8 plays 0  

Finding the maximum or minimum of a quadratic function

This shows how to decide whether you are seeking a maximum or minimum value for a quadratic function and then how to find the vertex of i ts parabola to deternine the x-value that locates the min…

From  Tom Grant 11 plays 0  

Solving a radical equation that simplifies to a quadratic equation: One radical, advanced

Squaring both sides of this equation means squaring a binomial. This is demonstrated by this video.

From  Tom Grant 27 plays 0  

Simplifying a quotient involving a sum or difference with a square root

This demonstrates creating a multiplication in the numerator of a rational expression that will allow the expression to be reduced by dividing like factors to simply one

From  Tom Grant 11 plays 0  

Introduction to simplifying a product of radical expressions: Univariate

Some simpler examples of square root multiplication

From  Tom Grant 14 plays 0  

Pythagorean Theorem

A quick run through the use of a^2 + b^2 = c^2 to find an unknown side of a right tirangle if we know the other two sides.

From  Tom Grant 14 plays 0  

Factoring a polynomial involving s GCF and a difference of squares: Univariate

A two-step process involving first removing the greatest common factor from both terms, then factoring the resulting difference of squares.

From  Tom Grant 16 plays 0  

Power rules with negative exponents

A short example of how to deal with a fraction raised to a negative power.

From  Tom Grant 26 plays 0  

Power of a power rule with negative exponents

Explains the reason why exponents are multiplied in a power of a power situation, then simplifies two examples.

From  Tom Grant 12 plays 0  

Finding inputs and outputs of a two-step function that models a real-world situation: Function notation

Describes a situation that can be written as a function of the number of weeks a certain amount it saved and the resulting functional value is the amount still needed to be saved to buy something. …

From  Tom Grant 27 plays 0  

Finding the original price given the sale price and percent discount

Explains the pitfalls that you need to know about to correctly do this problem. It is not as easy as it seems at first glance, so pay close attention to this video.

From  Tom Grant 21 plays 0  

Solving for a variable in terms of other variables using addition or subtraction with division

Another in a series aobut solvingi equations with multiple variables, this time taking two steps to do it/

From  Tom Grant 19 plays 0  

Solving for a variable in parentheses in terms of other variables

Solving for a variable inside parentheses demystified.

From  Tom Grant 13 plays 0